CN102235118B

CN102235118B - Magnetohydrodynamic electronic password lock

Info

Publication number: CN102235118B
Application number: CN 201110094453
Authority: CN
Inventors: 林智勇
Original assignee: Individual
Current assignee: TRISTAR TECHNOLOGY GROUP (CHINA) Co Ltd
Priority date: 2011-04-06
Filing date: 2011-04-06
Publication date: 2013-04-10
Anticipated expiration: 2031-04-06
Also published as: CN102235118A

Abstract

The invention discloses a magnetohydrodynamic electronic password lock which comprises a lock body, a lock cylinder and a common pin tumbler device. The magnetohydrodynamic electronic password lock is provided with a magnetohydrodynamic pin tumbler device, a controller and a password keyboard, wherein the magnetohydrodynamic pin tumbler device is composed of a magnetohydrodynamic container, a magnetofluid, an electromagnetic coil, a limited post, a first pin tumbler and a second pin tumbler. The magnetohydrodynamic password lock is provided with the common pin tumbler device, the controller, the password keyboard and the magnetohydrodynamic pin tumbler device, through the combination with a common pin tumbler lock by using the magnetohydrodynamic pin tumbler device, the magnetohydrodynamic electronic password lock can be opened both by using a key and an electronic password input through using the password keyboard, thereby improving the safety performance of the lock.

Description

Magnetohydrodynamic electronic password lock

Technical field

The present invention relates to a kind of electronic password lock, particularly a kind of Magnetohydrodynamic electronic password lock.

Background technology

Existing electronic password lock is easily decoded by the robber, mechanical lock is easily utilized master key to open by the robber, the safety that is unfavorable for security door or safety cabinet, a kind of magnetic-fluid combination lock that electronic password lock is combined with mechanical lock has become the needs that people improve the lock security performance.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, a kind of Magnetohydrodynamic electronic password lock is provided, electronic cipher is locked in the mechanical lock combination, utilize the magnetic fluid cylinder device that lock core is pinned, improve the security performance of lock.

The technical solution adopted in the present invention is: Magnetohydrodynamic electronic password lock includes lock body, lock core and common spring device, Magnetohydrodynamic electronic password lock is provided with the magnetic fluid cylinder device, controller and code keypad, the magnetic fluid cylinder device is by the magnetic fluid container, magnetic fluid, electromagnetic coil, limited post, the first pellet and the second pellet consist of, the magnetic fluid container is located in the lock body, be sealed with magnetic fluid in the magnetic fluid container, the magnetic fluid container is provided with the first marble hole, sealing is connected with the first pellet movingly in the first marble hole, lock core be provided with the second marble hole, the upper end of the second pellet is actively tied in the second marble hole of lock core, the lower end of the second pellet is actively tied in the first marble hole of lock body, and the lower surface of the second pellet contacts with the upper surface of the first pellet; The magnetic fluid container is provided with electromagnetic coil outward, and the magnetic fluid container is connected with controller, and controller is connected with code keypad.

The operating principle of Magnetohydrodynamic electronic password lock is: Magnetohydrodynamic electronic password lock is provided with common spring device and magnetic fluid cylinder device; When locking, the first lock is to utilize the common spring of common spring device to block lock body and lock core, and lock core can not be rotated with respect to lock body; The second lock is to utilize the second pellet of magnetic fluid cylinder device to block lock body and lock core, and lock core can not be rotated with respect to lock body; When unblanking, at first key is inserted keyhole, utilize key to move the common spring of common spring device, the position that common spring is left block lock body and lock core can be rotated with respect to lock body lock core; Then utilize code keypad to input code signal to controller, utilize controller to control the first pellet and second pellet of magnetic fluid cylinder device, make the second pellet leave the position of blocking lock body and lock core, lock core can be rotated with respect to lock body; Rotating key opens Magnetohydrodynamic electronic password lock.

The invention has the beneficial effects as follows: Magnetohydrodynamic electronic password lock is provided with common spring device, controller, code keypad and magnetic fluid cylinder device, utilize the magnetic fluid cylinder device to be combined with common spring lock, make Magnetohydrodynamic electronic password lock need key and utilize code keypad input electronic cipher just can open, improved the security performance of lock.

Description of drawings

Fig. 1 is the structural representation of Magnetohydrodynamic electronic password lock.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further detailed:

The structural representation of Magnetohydrodynamic electronic password lock shown in Figure 1, Magnetohydrodynamic electronic password lock, include lock body 1, lock core 2 and common spring device 15, Magnetohydrodynamic electronic password lock is provided with magnetic fluid cylinder device 3, controller 4 and code keypad 5, magnetic fluid cylinder device 3 is by magnetic fluid container 6, magnetic fluid 7, electromagnetic coil 8, limited post 9, the first pellet 10 and the second pellet 11 consist of, magnetic fluid container 6 is located in the lock body 1, be sealed with magnetic fluid 7 in the magnetic fluid container 6, magnetic fluid container 6 is provided with the first marble hole 12, lock core 2 is provided with the second marble hole 13, the 12 interior sealings of the first marble hole are connected with the first pellet 10 movingly, the upper end of the second pellet 11 is actively tied in the second marble hole 13 of lock core 2, the lower end of the second pellet 11 is actively tied in first marble hole 12 of magnetic fluid container 6 of lock body 1, and the lower surface of the second pellet 11 contacts with the upper surface of the first pellet 10; Be provided with electromagnetic coil 8 outside the magnetic fluid container 6, magnetic fluid container 6 is connected with controller 4, and controller 4 is connected with code keypad 5.

In order to implement to utilize the magnetic field of controller 4 control electromagnetic coils 8, utilize the proportion of magnetic field control magnetic fluid 7 to move the first pellet 10 and the second pellet 11, magnetic fluid container 6 is positioned at the below of lock core 2, the proportion of magnetic fluid 7 is less than the proportion of the first pellet 10 and the second pellet 11, the first pellet is sunken to the liquid level of magnetic fluid 8 for 10 times, the lower surface of the first pellet 10 contacts with limited post 9, limited post 9 is fixedly connected with lock body 1, the second pellet 11 blocks lock body 1 and lock core 2, and lock body 1 and lock core 2 can not be relatively rotated.The center line of the first pellet 10, the second pellet 11, the first marble hole 12, the second marble hole 13 and limited post 9 is identical; Lock body 1 is provided with adjustment notch 16, meets designing requirement with the relative position that guarantees magnetic fluid 7, the first pellet 10 and the second pellet 11.

For lock is opened, the upper surface that is further designed to the second pellet 11 14 distance and second pellet 11 at the bottom of the hole of the second marble hole 13 stretch into the deep equality of the first marble hole 12, make the second pellet 11 enter at the bottom of the hole at 14 o'clock, the interface position of the second pellet 11 and the first pellet 10 just in time is positioned at the interface position of lock body 1 and lock core 2; The lockset position of coupler of magnetic fluid cylinder device 3 is: the contact surface of the first pellet 10 and the second pellet 11 is positioned at the contact surface of lock body 1 and lock core 2; The state of unblanking of magnetic fluid cylinder device 3 is: controller 4 is exported the power supply signal of unblanking to electromagnetic coil 8, magnetic fluid 7 is changed, the proportion of magnetic fluid 7 is greater than the proportion of the first pellet 10 and the second pellet 11, the first pellet 10 and the second pellet 11 float, and make the contact surface position of the contact surface position of the first pellet 10 and the second pellet 11 and lock body 1 and lock core 2 on identical radius.

In order to reduce ferromagnetic material to the interference in magnetic field, lock body 1 and lock core 2 are by the nonferromagnetic material manufacturing; For example: lock body 1 and lock core 2 are by the brass manufacturing.

The operating principle of Magnetohydrodynamic electronic password lock is: when locking, the common spring 17 of common spring device 15 is blocked lock body 1 and lock core 2, and lock core 2 can not be rotated with respect to lock body 1; Simultaneously, the second pellet 11 of magnetic fluid cylinder device 3 blocks lock body 1 and lock core 2, and lock core 2 can not be rotated with respect to lock body 1; When unblanking, the first step utilizes key to insert keyhole 18, and the elastic force that utilizes key to overcome the spring of common spring device 15 promotes common spring 17 and moves, and common spring 17 is left block the position of lock body 1 and lock core 2, and lock core 2 can be rotated with respect to lock body 1; Second step is to utilize code keypad 5 to controller 4 input code signals, controller 4 is to the electromagnetic coil 8 input power signals of magnetic fluid cylinder device 3, the proportion that magnetic fluid 7 is controlled in the magnetic field that utilizes electromagnetic coil 8 to produce changes, utilize the buoyancy of the variation generation of magnetic fluid 7 proportions to promote the first pellet 10 and the second pellet 11, the second pellet 11 is left block the position of lock body 1 and lock core 2, lock core 2 can be rotated with respect to lock body 1; Rotating key opens Magnetohydrodynamic electronic password lock.

The operating principle of Magnetohydrodynamic electronic password lock is: when unblanking, second step is to utilize code keypad 5 to controller 4 input code signals, controller 4 is to the electromagnetic coil 8 input power signals of magnetic fluid cylinder device 3, the proportion that magnetic fluid 7 is controlled in the magnetic field that utilizes electromagnetic coil 8 to produce constantly increases, make the proportion of magnetic fluid greater than the proportion of the first pellet 10 and the second pellet 11, make the first pellet 10 add that the gravity of the second pellet 11 is less than the buoyancy of magnetic fluid 7, utilize the buoyancy of magnetic fluid 7 to promote the first pellet 10 and the second pellet 11 moves, make the first pellet 10 identical with the interface position of lock core 2 with interface position and the lock body 1 of the second pellet 11, the second pellet 11 is left block the position of lock body 1 and lock core 2, lock core 2 can be rotated with respect to lock body 1; Rotating key opens Magnetohydrodynamic electronic password lock.

Claims

1. Magnetohydrodynamic electronic password lock, include lock body (1), lock core (2) and common spring device (15), Magnetohydrodynamic electronic password lock is provided with magnetic fluid cylinder device (3), controller (4) and code keypad (5), magnetic fluid cylinder device (3) is by magnetic fluid container (6), magnetic fluid (7), electromagnetic coil (8), limited post (9), the first pellet (10) and the second pellet (11) consist of, magnetic fluid container (6) is located in the lock body (1), be sealed with magnetic fluid (7) in the magnetic fluid container (6), magnetic fluid container (6) is provided with the first marble hole (12), lock core (2) is provided with the second marble hole (13), the interior sealing of the first marble hole (12) is connected with the first pellet (10) movingly, the upper end of the second pellet (11) is actively tied in second marble hole (13) of lock core (2), the lower end of the second pellet (11) is actively tied in first marble hole (12) of magnetic fluid container (6) of lock body (1), and the lower surface of the second pellet (11) contacts with the upper surface of the first pellet (10); Magnetic fluid container (6) is outer to be provided with electromagnetic coil (8), and magnetic fluid container (6) is connected with controller (4), and controller (4) is connected with code keypad (5); It is characterized in that: the operating principle of described Magnetohydrodynamic electronic password lock is: Magnetohydrodynamic electronic password lock is provided with common spring device and magnetic fluid cylinder device; When locking, the first lock is to utilize the common spring of common spring device to block lock body and lock core, and lock core can not be rotated with respect to lock body; The second lock is to utilize the second pellet of magnetic fluid cylinder device to block lock body and lock core, and lock core can not be rotated with respect to lock body; When unblanking, at first key is inserted keyhole, utilize key to move the common spring of common spring device, the position that common spring is left block lock body and lock core can be rotated with respect to lock body lock core; Then utilize code keypad to input code signal to controller, utilize controller to control the first pellet and second pellet of magnetic fluid cylinder device, make the second pellet leave the position of blocking lock body and lock core, lock core can be rotated with respect to lock body; Rotating key opens Magnetohydrodynamic electronic password lock.

2. Magnetohydrodynamic electronic password lock according to claim 1, it is characterized in that: the operating principle of described Magnetohydrodynamic electronic password lock is: when unblanking, the first step utilizes key to insert keyhole (18), it is mobile that the elastic force that utilizes key to overcome the spring of common spring device (15) promotes common spring (17), common spring (17) is left block the position of lock body (1) and lock core (2), lock core (2) can be rotated with respect to lock body (1); Second step is to utilize code keypad (5) to controller (4) input code signal, controller (4) is to electromagnetic coil (8) the input power signal of magnetic fluid cylinder device (3), the proportion that magnetic fluid (7) is controlled in the magnetic field that utilizes electromagnetic coil (8) to produce changes, utilize the buoyancy of the variation generation of magnetic fluid (7) proportion to promote the first pellet (10) and the second pellet (11), the second pellet (11) is left block the position of lock body (1) and lock core (2), lock core (2) can be rotated with respect to lock body (1); Rotating key opens Magnetohydrodynamic electronic password lock.

3. Magnetohydrodynamic electronic password lock according to claim 2, it is characterized in that: the operating principle of described Magnetohydrodynamic electronic password lock is: when unblanking, second step is to utilize code keypad (5) to controller (4) input code signal, controller (4) is to electromagnetic coil (8) the input power signal of magnetic fluid cylinder device (3), the proportion that magnetic fluid (7) is controlled in the magnetic field that utilizes electromagnetic coil (8) to produce constantly increases, make the proportion of magnetic fluid (7) greater than the proportion of the first pellet (13) and the second pellet (14), make the first pellet (10) add that the gravity of the second pellet (11) is less than the buoyancy of magnetic fluid (7), utilize the buoyancy of magnetic fluid (7) to promote the first pellet (10) and the second pellet (11) movement, make the first pellet (10) identical with the interface position of lock core (2) with interface position and the lock body (1) of the second pellet (11), the second pellet (11) is left block the position of lock body (1) and lock core (2), lock core (2) can be rotated with respect to lock body (1); Rotating key opens Magnetohydrodynamic electronic password lock.